lightspeed
speed of light
bullet
superspeed
hyperspeed
hell-for-leather
breakneck
mile-a-minute
speedingly
feverishly
overspeedily
like shit through a goose
warp speed
rate
on the wings of the wind
hyperfast
superfast
swift
balls-out
fleet
high speed
amain
rapidly
good lick
apace
chop-chop
quickly
speedily
superspeedy
in short order
speedfully
fast-moving
hyperpaced
faster than Minute Rice
prestissimo
blazing
blistering
at full tilt
hypervelocity
like the wind
hit-out
overspeedy
lickety cut
lickety split
splitting
lightning-quick
quickening
lickety
pedal to the metal
hyperaccelerated
windy
double time
accelerando
double quick
precipitately
headlong
speedster
bomb
racingly
meteor
grasshopping
turn of foot
full fling
uptempo
speedwise
high-speed
rollercoastering
hand over hand
like a rat up a drainpipe
high-velocity
vibratory
pokey
tachy-
turn of pace
flying
zippingly
fast-flying
slam-bang
travel rapidly
ventre à terre
speed
zip
hurry
whip
reloader
speeding
with a quickness
belt
at speed
festinate
hasten
motate
pace
hyperlight
fast